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<meta name="description" content="场景说明 业务场景：生产环境为引入zabbix 新功能，有升级需求。 风险zabbix_server版本升级，需要暂停应用。该时间段的监控数据不会采集。   基础流程：   ️备份数zabbix_server、zabbix_proxy数据库 ️升级zabbix_server、zabbix_proxy 应用 升级前端ph">
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          <h1 class="post-title" itemprop="name headline">Zabbix3.4升级4.2线上操作方案</h1>
        

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        <h2 id="场景说明"><a href="#场景说明" class="headerlink" title="场景说明"></a>场景说明</h2><ul>
<li><strong>业务场景：</strong><br>生产环境为引入zabbix 新功能，有升级需求。</li>
<li><strong>风险</strong><br>zabbix_server版本升级，需要暂停应用。该时间段的监控数据不会采集。</li>
</ul>
<ul>
<li><strong>基础流程：</strong></li>
</ul>
<ol>
<li>️备份数zabbix_server、zabbix_proxy数据库</li>
<li>️升级zabbix_server、zabbix_proxy 应用</li>
<li>升级前端php文件</li>
<li>前端页面设置</li>
</ol>
<ul>
<li><strong>测试环境</strong></li>
</ul>
<ol>
<li>系统环境：centos 7.4</li>
<li>备份工具：xtrabackup mysqldump</li>
<li>zabbix版本：3.4.14(升级前)—–&gt;4.2.1(升级后)</li>
</ol>
<h2 id="zabbix-server升级"><a href="#zabbix-server升级" class="headerlink" title="zabbix_server升级"></a>zabbix_server升级</h2><h3 id="文件备份"><a href="#文件备份" class="headerlink" title="文件备份"></a>文件备份</h3><h4 id="数据库备份工具介绍"><a href="#数据库备份工具介绍" class="headerlink" title="数据库备份工具介绍"></a>数据库备份工具介绍</h4><blockquote>
<p>Mysql最常用的三种备份工具：<br><strong>（1）mysqldump：</strong><br>通常为小数据情况下的备份<br>innodb： 热备，温备<br>MyISAM, Aria: 温备<br>单线程备份恢复比较慢<br><strong>（2）Xtrabackup（通常用innobackupex工具）：</strong><br>备份mysql大数据<br>InnoDB热备，增量备份；<br>MyISAM温备，不支持增量，只有完全备份<br>属于物理备份，速度快；<br><strong>（3）lvm-snapshot：</strong><br>接近于热备的工具：因为要先请求全局锁，而后创建快照，并在创建快照完成后释放全局锁；<br>使用cp、tar等工具进行物理备份；<br>备份和恢复速度较快；<br>很难实现增量备份，并且请求全局需要等待一段时间，在繁忙的服务器上尤其如此</p>
</blockquote>
<h5 id="因线上zabbix-server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份"><a href="#因线上zabbix-server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份" class="headerlink" title="因线上zabbix_server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份"></a>因线上zabbix_server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份</h5><p>参考文档：<a href="https://blog.csdn.net/isoleo/article/details/51882813" target="_blank" rel="noopener">innobackupex 备份及恢复数据库</a></p>
<h4 id="server库备份"><a href="#server库备份" class="headerlink" title="server库备份"></a>server库备份</h4><ul>
<li><p>查看MySQL数据存放位置及大小</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">$ grep &apos;datadir&apos; /etc/my.cnf</span><br><span class="line">datadir=/var/lib/mysql</span><br><span class="line"></span><br><span class="line">$ du -sh /var/lib/mysql</span><br><span class="line">1.5G	/var/lib/mysql</span><br></pre></td></tr></table></figure>
</li>
<li><p>停掉zabbix server</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ systemctl stop zabbix_server</span><br></pre></td></tr></table></figure>
</li>
<li><p>对zabbix_server 所在MySQL 全量备份</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ innobackupex --defaults-file=/etc/my.cnf --user=root --password=&apos;Asp@aspire+888&apos; --host=localhost /root/backup/xtrabackup/</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h4 id="server配置文件备份"><a href="#server配置文件备份" class="headerlink" title="server配置文件备份"></a>server配置文件备份</h4><ul>
<li><p>查看升级前zabbix_server 版本信息</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">$ /opt/aspire/product/zabbixsvr/sbin/zabbix_server -V</span><br><span class="line">zabbix_server (Zabbix) 3.4.14</span><br><span class="line">Revision 92832 18 April 2019, compilation time: Jun 5 2019 14:47:01</span><br><span class="line">$ mysql -uroot -p&apos;Asp@aspire+888&apos;</span><br><span class="line">mysql&gt; use zabbixsvr;</span><br><span class="line">mysql&gt; select * from dbversion;</span><br><span class="line">+-----------+----------+</span><br><span class="line">| mandatory | optional |</span><br><span class="line">+-----------+----------+</span><br><span class="line">| 3040000 | 30470000 |</span><br><span class="line">+-----------+----------+</span><br></pre></td></tr></table></figure>
</li>
<li><p>备份zabbix_server  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ mv /opt/aspire/product/web/website/zabbixsvr /opt/aspire/product/web/website/zabbixsvr3.4</span><br></pre></td></tr></table></figure>
</li>
<li><p>备份php页面文件  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ mv /opt/aspire/product/web/website/zabbix /opt/aspire/product/web/website/zabbix3.4</span><br></pre></td></tr></table></figure>
</li>
<li><p>备份启动脚本</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ cp /etc/init.d/zabbix_server /etc/init.d/zabbix_server3.4</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h4 id="zabbix-server-升级"><a href="#zabbix-server-升级" class="headerlink" title="zabbix_server 升级"></a>zabbix_server 升级</h4><ul>
<li><p>编译安装zabbix_server 4.2  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ ./configure --prefix=/opt/aspire/product/zabbixsvr --with-mysql=/usr/bin/mysql_config --enable-server --enable-proxy --enable-agent --enable-ipv6 --with-libxml-dir=/opt/aspire/product/web/libxml2/ --with-unixODBC --with-net-snmp --with-SSH2 --with-openIPMI --with-libcurl</span><br><span class="line">$ make</span><br><span class="line">$ make install</span><br></pre></td></tr></table></figure>
</li>
<li><p>修改zabbix_server 配置文件</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line">$ grep -v &quot;^#&quot; /opt/aspire/product/zabbixsvr3.4/etc/zabbix_server.conf |grep -v &quot;^$&quot; </span><br><span class="line"></span><br><span class="line">LogFile=/tmp/zabbix_server.log</span><br><span class="line">DBHost=localhost</span><br><span class="line">DBName=zabbixsvr</span><br><span class="line">DBUser=zabbix</span><br><span class="line">DBPassword=Asp@zabbix_asp_2019</span><br><span class="line">DBSocket=/tmp/mysql.sock</span><br><span class="line">StartPollers=50</span><br><span class="line">CacheSize=128M</span><br><span class="line">HistoryCacheSize=256M</span><br><span class="line">TrendCacheSize=128M</span><br><span class="line">ValueCacheSize=128M</span><br><span class="line">Timeout=4</span><br><span class="line">LogSlowQueries=3000</span><br></pre></td></tr></table></figure>
</li>
<li><p>加载启动脚本</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">systemctl reload zabbix_server.service</span><br></pre></td></tr></table></figure>
</li>
<li><p>升级zabbix_server，观察日志输出</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">systemctl start mysqld.service </span><br><span class="line">systemctl start zabbix_server.service </span><br><span class="line">tail -f /tmp/zabbix_server.log</span><br></pre></td></tr></table></figure>
</li>
</ul>
<p><img src="https://waney316-blog.oss-cn-shenzhen.aliyuncs.com/img/20190611133638.png" alt=""></p>
<ul>
<li><p>拷贝PHP文件</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ cp -rf frontends/php/ /opt/aspire/product/web/apache/website/ </span><br><span class="line">$ mv /opt/aspire/product/web/apache/website/php /opt/aspire/product/web/apache/website/zabbix</span><br></pre></td></tr></table></figure>
</li>
<li><p>web页面依次设置即可<br><img src="https://waney316-blog.oss-cn-shenzhen.aliyuncs.com/img/20190611133741.png" alt=""></p>
</li>
</ul>
<hr>
<h5 id="注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据"><a href="#注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据" class="headerlink" title="注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据"></a><font face="黑体" color="red" size="3">注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据</font></h5><ul>
<li>停止mysql服务<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">systemctl stop mysqld.service  </span><br><span class="line">mv /var/lib/mysql/ /var/lib/mysql_bak &amp;&amp; mkdir -p /var/lib/mysql</span><br></pre></td></tr></table></figure>
</li>
</ul>
<p><img src="https://waney316-blog.oss-cn-shenzhen.aliyuncs.com/img/20190611133905.png" alt=""></p>
<ul>
<li><p>执行恢复操作</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">//--apply-log选项的命令是准备在一个备份上启动mysql服务</span><br><span class="line">$ innobackupex --defaults-file=/etc/my.cnf --user=root --passwod=&apos;Asp@aspire+888&apos; --apply-log /root/backup/xtrabackup/2019-06-06_10-47-30</span><br><span class="line">//--copy-back 选项的命令从备份目录拷贝数据,索引,日志到my.cnf文件里规定的初始位置</span><br><span class="line"></span><br><span class="line">$ innobackupex --defaults-file=/etc/my.cnf --user=root --passwod=&apos;Asp@aspire+888&apos; --copy-back /root/backup/xtrabackup/2019-06-06_10-47-30</span><br></pre></td></tr></table></figure>
</li>
<li><p>授权目录，启动服务</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ chown -R mysql:mysql /var/lib/mysql</span><br><span class="line">$ systemctl start mysqld.service</span><br></pre></td></tr></table></figure>
</li>
<li><p>恢复zabbix配置文件及php文件</p>
</li>
</ul>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">省略</span><br></pre></td></tr></table></figure>
<h2 id="zabbix-proxy-升级"><a href="#zabbix-proxy-升级" class="headerlink" title="zabbix_proxy 升级"></a>zabbix_proxy 升级</h2><h3 id="文件备份-1"><a href="#文件备份-1" class="headerlink" title="文件备份"></a>文件备份</h3><h6 id="说明：proxy库文件不大，可使用mysqldump方式备份"><a href="#说明：proxy库文件不大，可使用mysqldump方式备份" class="headerlink" title="说明：proxy库文件不大，可使用mysqldump方式备份"></a>说明：proxy库文件不大，可使用mysqldump方式备份</h6><h4 id="备份proxy文件"><a href="#备份proxy文件" class="headerlink" title="备份proxy文件"></a>备份proxy文件</h4><ul>
<li><p>停掉zabbix proxy  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ systemctl stop zabbix_proxy</span><br></pre></td></tr></table></figure>
</li>
<li><p>备份zabbix_proxy  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ mv /opt/aspire/product/zabbixpxy /opt/aspire/product/zabbixpxy3.4</span><br></pre></td></tr></table></figure>
</li>
<li><p>备份启动脚本  </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ cp /etc/init.d/zabbix_proxy /etc/init.d/zabbix_proxy2.2.7</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h4 id="备份proxy-数据库"><a href="#备份proxy-数据库" class="headerlink" title="备份proxy 数据库"></a>备份proxy 数据库</h4><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ mysqldump -uzabbix –pzabbix_asp_2018 --skip-lock-tables zabbix_proxy &gt; zabbix_proxybak.sql</span><br></pre></td></tr></table></figure>
<h3 id="zabbix-proxy-升级-1"><a href="#zabbix-proxy-升级-1" class="headerlink" title="zabbix_proxy 升级"></a>zabbix_proxy 升级</h3><ul>
<li><p>编译安装 zabbix_proxy 4.2<br>MySQL 编译参数：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ ./configure --prefix=/opt/aspire/product/zabbixpxy --with-mysql=/usr/bin/mysql_config --enable-proxy --enable-agent --enable-ipv6 --with-libxml-dir=/opt/aspire/product/web/libxml2/ --with-unixODBC --with-net-snmp --with-ssh2 --with-openIPMI --with-libcurl=/usr/local/src/bin/curl-config</span><br><span class="line">$ make</span><br><span class="line">$ make install</span><br></pre></td></tr></table></figure>
</li>
<li><p>修改zabbix_proxy 配置文件</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">$ grep -v &quot;^#&quot; /opt/aspire/product/zabbixpxy/etc/zabbix_proxy.conf |grep -v &quot;^$&quot;</span><br><span class="line"></span><br><span class="line">Server=127.0.0.1</span><br><span class="line">Hostname=Zabbix proxy</span><br><span class="line">ListenPort=10061</span><br><span class="line">LogFile=/tmp/zabbix_proxy.log</span><br><span class="line">DBHost=localhost</span><br><span class="line">DBName=zabbixpxy</span><br><span class="line">DBUser=zabbix</span><br><span class="line">DBPassword=Asp@zabbix_asp_2019</span><br><span class="line">DBSocket=/tmp/mysql.sock</span><br><span class="line">StartPollers=50</span><br><span class="line">CacheSize=128M</span><br><span class="line">HistoryCacheSize=128M</span><br><span class="line">Timeout=4</span><br><span class="line">FpingLocation=/usr/local/sbin/fping</span><br><span class="line">LogSlowQueries=3000</span><br></pre></td></tr></table></figure>
</li>
<li><p>加载启动脚本 </p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">systemctl reload zabbix_proxy.service</span><br></pre></td></tr></table></figure>
</li>
<li><p>升级zabbix_proxy</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">systemctl start mysqld.service </span><br><span class="line">systemctl start zabbix_proxy.service </span><br><span class="line">tail -f /tmp/zabbix_proxy.log</span><br></pre></td></tr></table></figure>
</li>
</ul>
<p><img src="https://waney316-blog.oss-cn-shenzhen.aliyuncs.com/img/20190611133836.png" alt=""></p>
<h5 id="注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据-1"><a href="#注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据-1" class="headerlink" title="注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据"></a><font face="黑体" color="red" size="3">注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据</font></h5><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line">新建zabbix_proxy库并授权</span><br><span class="line">$ mysql -uroot -p</span><br><span class="line">mysql&gt; create database zabbix_proxy character set utf8 collate utf8_bin;</span><br><span class="line">mysql&gt; grant all privileges on zabbix_proxy.* to zabbix@&apos;localhost&apos; identified by &apos;zabbix_asp_2018&apos;;</span><br><span class="line">mysql&gt; flush privileges;</span><br><span class="line">mysql&gt; quit;</span><br><span class="line"></span><br><span class="line">导入备份的zabbix_proxy库文件</span><br><span class="line">$ mysql -uzabbix -pzabbix zabbix_proxy &lt; zabbix_proxybak.sql</span><br></pre></td></tr></table></figure>

      
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              <div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#场景说明"><span class="nav-number">1.</span> <span class="nav-text">场景说明</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#zabbix-server升级"><span class="nav-number">2.</span> <span class="nav-text">zabbix_server升级</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#文件备份"><span class="nav-number">2.1.</span> <span class="nav-text">文件备份</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#数据库备份工具介绍"><span class="nav-number">2.1.1.</span> <span class="nav-text">数据库备份工具介绍</span></a><ol class="nav-child"><li class="nav-item nav-level-5"><a class="nav-link" href="#因线上zabbix-server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份"><span class="nav-number">2.1.1.1.</span> <span class="nav-text">因线上zabbix_server数据库大小高达800G，根据以上数据库相关备份工具特点，本次备份采用xtrabackup工具备份</span></a></li></ol></li><li class="nav-item nav-level-4"><a class="nav-link" href="#server库备份"><span class="nav-number">2.1.2.</span> <span class="nav-text">server库备份</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#server配置文件备份"><span class="nav-number">2.1.3.</span> <span class="nav-text">server配置文件备份</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#zabbix-server-升级"><span class="nav-number">2.1.4.</span> <span class="nav-text">zabbix_server 升级</span></a><ol class="nav-child"><li class="nav-item nav-level-5"><a class="nav-link" href="#注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据"><span class="nav-number">2.1.4.1.</span> <span class="nav-text">注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据</span></a></li></ol></li></ol></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#zabbix-proxy-升级"><span class="nav-number">3.</span> <span class="nav-text">zabbix_proxy 升级</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#文件备份-1"><span class="nav-number">3.1.</span> <span class="nav-text">文件备份</span></a><ol class="nav-child"><li class="nav-item nav-level-6"><a class="nav-link" href="#说明：proxy库文件不大，可使用mysqldump方式备份"><span class="nav-number">3.1.0.0.1.</span> <span class="nav-text">说明：proxy库文件不大，可使用mysqldump方式备份</span></a></li></ol></li></ol></li><li class="nav-item nav-level-4"><a class="nav-link" href="#备份proxy文件"><span class="nav-number">3.1.1.</span> <span class="nav-text">备份proxy文件</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#备份proxy-数据库"><span class="nav-number">3.1.2.</span> <span class="nav-text">备份proxy 数据库</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#zabbix-proxy-升级-1"><span class="nav-number">3.2.</span> <span class="nav-text">zabbix_proxy 升级</span></a><ol class="nav-child"><li class="nav-item nav-level-5"><a class="nav-link" href="#注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据-1"><span class="nav-number">3.2.0.1.</span> <span class="nav-text">注意：如果升级过程中数据同步失败或出现无法解决的问题需要回滚版本，使用如下操作回退并恢复数据</span></a></li></ol></li></ol></li></ol></li></ol></div>
            

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